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Finding the Fourth Proportional to 32,696.81, 49,066.76 and 17,916.11

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Solution

The fourth proportional to 32,696.81, 49,066.76 and 17,916.11 is: 26,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,696.81 : 49,066.76 = 17,916.11 : x
  2. Step 2: Convert to fraction form
    32,696.81/49,066.76 = 17,916.11/x
  3. Step 3: Cross multiply
    32,696.81x = 49,066.76 × 17,916.11
  4. Step 4: Simplify right side
    32,696.81x = 879,085,590.96
  5. Step 5: Solve for x
    x = 879,085,590.96/32,696.81
  6. Step 6: Final answer
    x = 26,885.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.